declare const _default: import('vue').DefineComponent<Readonly<{
    index?: any;
    expand?: any;
    item?: any;
    level?: any;
}>, {}, unknown, {}, {}, import('vue').ComponentOptionsMixin, import('vue').ComponentOptionsMixin, {}, string, import('vue').PublicProps, Readonly<import('vue').ExtractPropTypes<Readonly<{
    index?: any;
    expand?: any;
    item?: any;
    level?: any;
}>>>, {
    readonly index?: any;
    readonly expand?: any;
    readonly item?: any;
    readonly level?: any;
}, {}>;
export default _default;